164353379 has 4 divisors (see below), whose sum is σ = 168362040. Its totient is φ = 160344720.

The previous prime is 164353349. The next prime is 164353381. The reversal of 164353379 is 973353461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973353461 = 43 ⋅22636127.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164353379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 4008619 = 164353379 / (1 + 6 + 4 + 3 + 5 + 3 + 3 + 7 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164353309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004269 + ... + 2004350.

It is an arithmetic number, because the mean of its divisors is an integer number (42090510).

Almost surely, 2^164353379 is an apocalyptic number.

164353379 is a deficient number, since it is larger than the sum of its proper divisors (4008661).

164353379 is an equidigital number, since it uses as much as digits as its factorization.

164353379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008660.

The product of its digits is 204120, while the sum is 41.

The square root of 164353379 is about 12820.0381824704. The cubic root of 164353379 is about 547.7632342047.

The spelling of 164353379 in words is "one hundred sixty-four million, three hundred fifty-three thousand, three hundred seventy-nine".